Synthesis and characterization of multi-wall silica nanospheres

被引：8
|
作者：
Lecren, L
Toupance, T
Backov, R
机构：
[1] CNRS, Ctr Rech Paul Pascal, UPR 8641, F-33600 Pessac, France
[2] CNRS, UMR 5802, Chim Organ & Organomet Lab, F-33405 Talence, France
来源：
MATERIALS LETTERS | 2005年 / 59卷 / 07期
关键词：
silica; mesoporous; nanopaticles; morphosynthesis; sol-gel;
D O I：
10.1016/j.matlet.2004.11.029
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Multi-wall silica nanospheres have been synthesized from non-ionic surfactant, and TEOS as precursor under acidic and reflux conditions. The wall-to-wall distance inside the "onion-like" texture is close to 10 nm while the nanoscale objects depict polydisperse particle sizes ranging from 80 to 300 nm. Nitrogen physisorption measurement demonstrates a Brunauer-Emmet-Teller (BET) surface area of 691 m(2) g(-1) associated to a total pore volume of 0.8 cm(3) g(-1). (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：817 / 820
页数：4
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